!function (){
    var InCome_type = new Object;
    InCome_type.createNew = FCreateNew;
    function FCreateNew (){
        var income_type =new Object;
        	income_type._income_type_array = [];
            income_type.push = function (O) {
                this._income_type_array.push(O);
                return this;
            }
            income_type.remove = function (i) {
            	this._income_type_array.length == 0 ? console.log("没有值") :
                this._income_type_array.splice(i,1);
                return this;
            }
            
        return income_type;
    };
    this.InCome_type = InCome_type;
}();